British Internet users spend an average of two days a month surfing the web aimlessly, or "wilfing" as the activity has been dubbed, according to a study released on Tuesday.本周二公布的一项调查显示，英国网民每月平均有两天的时间在网上漫无目的的闲逛，这种行为被授予了一个新名词--“网游”(wilfing)。